West Bengal Pollution Control Board

Central Laboratory

Paribesh Bhawan, 10A, Block LA, Sector III, Salt Lake City, Kolkata 700 106. (033) 2335-5953



Station: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE River Basin: Tidal streams CPCB Station Code: 2549
Sample Date: 01/10/2020 Sample Time: 13:00  
Human Activities: Bathing & washing, Navigation Weather: Sunny clear Water Body: U/S OF BIDYADHARI RIVER AT HAROA BRIDGE
Frequency Of Monitoring: Quarterly Use Based Class: A Approximate Depth(Bottom/Table): 2.00 m 
Color & Intensity: Blackish Odour: Rotten eggs Visible effluent discharge: Moderate


Water Quality
Parameter Test Result Unit
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.07   mg/l
  Potassium   10.46   mg/l
  Sodium   146.41   mg/l
  Sulphate   30.32   mg/l
  Dissolved O2(DO)   NIL   mg/l
  Ammonia-N   7.12   mg/l
  BOD   9.50   mg/l
  Fecal Coliform   80000   MPN/100ml
  Nitrate-N   2.93   mg/l
  pH   7.10   Unit
  Temperature(Water)   31.0   ⁰C
  Total Coliform   170000   MPN/100ml
  Boron   BDL   mg/l
  Calcium   43.14   mg/l
  Chloride   109.97   mg/l
  Total Alkalinity   260.00   mg/l
  Total Dissolved Solids(TDS)   214.00   mg/l
  Total Fixed Solids(TFS)   348.00   mg/l
  Total Hardness as CaCo3   274.51   mg/l
  Total Kjeldahl Nitrogen(TKN)      mg/l
  Total Suspended Solids(TSS)   66.00   mg/l
  Turbidity   98.40   NTU
  Conductivity   918.10   µs/cm
  COD   31.00   mg/l
  Fluoride   0.44   mg/l
  Magnesium   40.50   mg/l